CVE-2026-3351 PUBLISHED

Authorization Bypass in LXD GET /1.0/certificates Endpoint

Assigner: canonical
Reserved: 27.02.2026 Published: 03.03.2026 Updated: 03.03.2026

Improper authorization in the API endpoint GET /1.0/certificates in Canonical LXD 6.6 on Linux allows an authenticated, restricted user to enumerate all certificate fingerprints trusted by the lxd server.

Metrics

CVSS 4.0

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N/E:P
CVSS Score: 2.1

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	Low	Confidentiality	Low
Attack Complexity	Low	Integrity	None	Integrity	None
Attack Requirements	None	Availability	None	Availability	None
Privileges Required	Low
User Interaction	None

CVSS 4.0

Product Status

Vendor	LXD
Product	lxd
Versions	Default: unaffected Version 6.6 is affected

References

https://github.com/canonical/lxd/security/advisories/GHSA-crmg-9m86-636r
https://github.com/canonical/lxd/pull/17738
https://github.com/canonical/lxd/commit/d936c90d47cf0be1e9757df897f769e9887ebde1

Problem Types

CWE-862 Missing Authorization CWE